package thread;

public class ThreadDemo2 {
    public static void main(String[] args) {
        Runnable r1 = new MyRunnable1();
        Runnable r2 = new MyRunnable2();

        Thread t1 = new Thread(r1);
        Thread t2 = new Thread(r2);

        t1.start();
        t2.start();
    }
}

class MyRunnable1 implements Runnable {
    public void run() {
        for(int i=0;i<1000;i++) {
            System.out.println("123");
        }
    }
}

class MyRunnable2 implements Runnable {
    public void run() {
        for(int i=0;i<1000;i++) {
            System.out.println("开门");
        }
    }
}
